15. Polar Equations
Convert Equations Between Polar and Rectangular Forms
Multiple Choice
Multiple ChoiceConvert each equation to its rectangular form.
r=−4cosθ
A
r=−4x
B
x2+y2=4
C
(x+2)2+y2=2
D
(x+2)2+y2=4
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Convert each equation to its rectangular form.
r=−4cosθ
r=−4x
x2+y2=4
(x+2)2+y2=2
(x+2)2+y2=4